FT
Francis Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lafayette-County, Louisiana
Our Model Tree links this Francis Thompson across the 1920, 1930 and 1940 US Censuses in Lafayette-County, Louisiana (XGBoost, ~Confirmed), with identified parents Francis & Francis — first a son (b.~1919), then head of a 8-person household.
Age 21
b. ~1919
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lafayette-County, Louisiana |
| Surname | Thompson |
| Given Name | Francis Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Lafayette City |
| 1935 Residence (County) | Lafayette |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | C 3 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Lafayette City |
| Est. Birth Year | ~1919 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Francis | Age | Birth yr |
|---|---|---|---|---|
| Marie Thompson | Daughter | — | 20 | ~1920 |
| Francis Thompson | Head | — | 48 | ~1892 |
| Juanita Thompson | Daughter | — | 12 | ~1928 |
| Marie Thompson | Spouse | — | 48 | ~1892 |
| Thomas Thompson | Son | — | 8 | ~1932 |
| Francis Thompson | Son | — | 21 | ~1919 |
| Russell Thompson | Son | — | 17 | ~1923 |
| Anna Thompson | Daughter | — | 16 | ~1924 |
Census Appearances
1920
Lafayette, Louisiana
Son, age 1
Lafayette, Louisiana · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Francis Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Lafayette, Louisiana
Son, age 11
Lafayette, Louisiana · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Francis Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Lafayette-County, Louisiana
Son, age 21
Lafayette-County, Louisiana · implied b. ~1919 — 8 household members
| Surname | Thompson |
| Given Name | Francis Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Lafayette City |
| 1935 Residence (County) | Lafayette |
| Income (1939) | 0 |
| Highest Grade | C 3 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Francis Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Francis Thompson (~0.92 confidence) and father Francis Thompson (~0.92 confidence) and father Francis Thompson (~0.92 confidence) and mother Marie Thompson (~0.92 confidence) and mother Marie Thompson (~0.92 confidence) and mother Marie Thompson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Francis Thompson
b. ~1892
Source father
● Household
· direct · ~0.92
Father
Francis Thompson
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Francis Thompson
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Marie Thompson
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Marie Thompson
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Marie Thompson
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Francis Thompson
Son · 1940 · age 21 · b. ~1919 · Louisiana
★ You are viewing this record
Sibling
Juanita Thompson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Thompson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Russell Thompson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Thompson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Thompson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Lafayette-County, Louisiana
Open full size
1940 US Federal Census — Lafayette-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01409-00554)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cora Landry | 73 | Head | — | Louisiana |
| 2 | Maud Boudreaux | 70 | Head | Housekeeper | Louisiana |
| 3 | Harry A. Lee | 41 | Head | Brick Layer | Missouri |
| 4 | Grace Lee | 28 | Wife | — | Oklahoma |
| 5 | Frank Blanchette | 45 | Head | Yard Man | Louisiana |
| 6 | Elda Blanchette | 31 | Wife | — | Louisiana |
| 7 | Frank Jr. Blanchette | 2 | Son | — | Louisiana |
| 8 | Mary Arthur | 35 | Servant | House Girl | Louisiana |
| 9 | Joseph Leblanc | 44 | Head | Operator | Louisiana |
| 10 | Amy Leblanc | 39 | Wife | — | Louisiana |
| 11 | Beverly Leblanc | 17 | Daughter | — | Louisiana |
| 12 | Helen Leblanc | 14 | Daughter | — | Louisiana |
| 13 | George Leblanc | 11 | Son | — | Louisiana |
| 14 | Irene Leblanc | 10 | Daughter | — | Louisiana |
| 15 | Alyce Leblanc | 82 | Mother | — | Louisiana |
| 16 | Francis Thompson | 48 | Head | Manager | Louisiana |
| 17 | Marie Louise Thompson | 48 | Wife | Clerk | Louisiana |
| 18 | Francis Jr. Thompson THIS PERSON | 21 | Son | — | Louisiana |
| 19 | Marie Louise Thompson | 20 | Daughter | Secretary | Louisiana |
| 20 | Russell Thompson | 17 | Son | — | Louisiana |
| 21 | Anna Belle Thompson | 16 | Daughter | — | Louisiana |
| 22 | Juanita Thompson | 12 | Daughter | — | Louisiana |
| 23 | Thomas Thompson | 8 | Son | — | Louisiana |
| 24 | Arsene Montgomery | 62 | Head | — | Louisiana |
| 25 | Hugh Montgomery | 39 | Son | Bookkeeper | Louisiana |
| 26 | Mable Broussard | 35 | Servant | Housework | Louisiana |
| 27 | Oales B. Boudreau | 48 | Head | — | Louisiana |
| 28 | Ledea B. Boudreau | 39 | Wife | — | Louisiana |
| 29 | Roy Boudreau | 13 | Son | — | Louisiana |
| 30 | Aaron Boudreau | 11 | Son | — | Louisiana |
| 31 | Rose Marie Boudreau | 9 | Daughter | — | Louisiana |
| 32 | Claire B. Bonnet | 56 | Head | — | Louisiana |
| 33 | Mae Bonnet | 44 | Daughter | Bookkeeper | Louisiana |
| 34 | Gertrude Bonnet | 32 | Daughter | Assistant Professor | Louisiana |
| 35 | Adele Bonnet | 28 | Daughter | Secretary | Louisiana |
| 36 | J. Robert Bonnet | 22 | Son | Bookkeeper | Louisiana |
| 37 | Gladys Lawrence | 22 | Servant | Housekeeper | Louisiana |
| 38 | Adrian Mouton | 61 | Head | — | Louisiana |
| 39 | Ferdinand Mouton | 51 | Son | — | Louisiana |
| 40 | Sadie Mouton | 53 | Daughter | — | Louisiana |
Pedigree Summary
Francis + 5 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)